^ Machine. " fttfj 



^7 ^ 



Bottom- ti nipt ra.Lnre 

 jXo.of Musrrrwmeter i ' * * rJ^S 

 Corrrrlcd l^mpertitu re. 



kT> ° Surffice 

 Trawl or dredge 



Cor. 



Drift 



SOUNDING WIRE. 



5WN. 



HF. 



/ST 



TUftNft. 



D 

 loo 



:'Oo 

 300 



SflO 

 Ooo 

 700 

 800 

 900 

 Itxxi 



J 1UO 



n«n 



J -UK) 

 I '<AJ 



l60U 



1 yuu 

 LQOG 

 vino 



3KJO 



a 300 



DREDGE ROPE. 



DOWN. 



UP. 



